CN220226851U - Water-retaining device of exploratory tube in underground upward hole subsection water injection observation - Google Patents
Water-retaining device of exploratory tube in underground upward hole subsection water injection observation Download PDFInfo
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- CN220226851U CN220226851U CN202321181323.6U CN202321181323U CN220226851U CN 220226851 U CN220226851 U CN 220226851U CN 202321181323 U CN202321181323 U CN 202321181323U CN 220226851 U CN220226851 U CN 220226851U
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- connecting rod
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- water injection
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- tube
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000002347 injection Methods 0.000 title claims abstract description 36
- 239000007924 injection Substances 0.000 title claims abstract description 36
- 239000000523 sample Substances 0.000 claims abstract description 40
- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 230000006698 induction Effects 0.000 claims abstract description 8
- 239000002775 capsule Substances 0.000 abstract description 10
- 239000003245 coal Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a water retention device of a probe tube in underground upward hole subsection water injection observation, which relates to the technical field of coal mine observation devices and mainly comprises a protective cover; the protective cover is arranged at the top of the probe tube; the protective cover is connected with the main body pipe; the main body pipe is connected with the first connecting rod; the first connecting rod is connected with the clamping piece; the inner wall of the probe tube is provided with a clamping groove which is connected with the top of the supporting part; the bottom of the supporting part is connected with the clamping piece; the clamping piece is connected with a second connecting rod, and the second connecting rod is connected with the main body pipe; the clamping piece is connected with a third connecting rod, and the third connecting rod is connected with the second connecting rod; the bottom end of the main body pipe is provided with an induction part; the inner wall of the probe tube is provided with a one-way guide vane. The water-retaining device of the exploratory tube in the underground upward hole subsection water injection observation eliminates the inflatable capsule at the upper part of the exploratory tube, simplifies the equipment structure, is more convenient to assemble and disassemble, reduces the cost, saves the resources and reduces the drainage pressure while ensuring the observation efficiency.
Description
Technical Field
The utility model relates to the technical field of coal mine observation devices, in particular to a water-retaining device of a probe tube in underground upward hole subsection water injection observation.
Background
After exploitation of the underground coal seam, the overlying strata move towards the goaf to form a collapse zone, a fracture zone and a bending sinking zone. Fracture of the rock layer in a certain range above the collapse zone generates cracks, and the range of the rock layer with water conductivity is called a water conductivity crack zone. When the roof contains water and other water bodies, the water guiding fracture zone develops to the water body, and the water body enters the working surface along the fracture, so that mine safety can be endangered. In order to ensure underground safe production and improve the production efficiency of a mine, the actual development height and the form of a water guide fracture zone are required to be observed.
The method for detecting leakage by section water injection in a upward hole is widely used at present, and when in observation, water needs to be injected upwards by sections by a drill rod, and the development height of a water guide fracture zone is determined by measuring the water leakage quantity of each section.
The patent with the publication number of CN113027513A discloses a device for predicting fracture zone by underground subsection hole-elevation water injection, which belongs to the field of coal mine test and comprises a water injection plugging device, wherein a first water injection pipeline is led to corresponding positions in two plugging capsules of the water injection plugging device and also led to a water injection port, and the water injection port is provided with a water injection safety valve with opening pressure larger than the expansion pressure of the plugging capsules. The utility model also discloses a method for predicting the fracture zone by underground segmented hole-elevation water injection, when water is injected into the first water injection pipeline, the plugging capsules are injected first, when the plugging capsules expand to plug the drill holes, the water injection pressure is regulated to be more than or equal to the valve starting pressure, and water injection is started to the plugging section between the two plugging capsules. The utility model combines the two existing pipelines into one pipeline, simplifies the structure of the water injection pipeline, reduces the cost, simplifies the operation steps, prolongs the service life of the device, avoids the water injection pipeline from winding, has high stability and is suitable for predicting all fracture zones.
The current probe part of the most used leak detection device comprises left and right inflatable capsules at the two ends, when mechanical equipment is not owned underground, the probe is required to be fed into a drill hole by manpower, the capsules can be damaged due to artificial reasons, pushing rods and environmental reasons, the next drill rod is required to be connected to complete one section of observation, the water injected from the previous section of observation can be completely lost, the capsules are required to be injected again when the subsequent observation is carried out, a large amount of time and water resources are wasted, and the observation efficiency is reduced. With the deep drilling, the required water injection amount and operation time are increased, the observation precision is affected, and the superiority of the elevation hole subsection water injection leakage detection method cannot be fully exerted.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the water-retaining device of the exploratory tube in the underground upward hole subsection water injection observation, so that the observation efficiency is improved, and the water-retaining device is simple in structure, practical and convenient and saves resources on the basis of accurately observing the water leakage quantity of each section.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a water-retaining device of a probe tube in underground upward hole subsection water injection observation, which comprises a protective cover, a supporting part, a water-retaining rubber sheet, a first connecting rod, a clamping piece, a second connecting rod, a third connecting rod and an induction part, wherein the protective cover is arranged on the surface of the probe tube; the protective cover is arranged at the top of the probe tube; the bottom of the protective cover is connected with the top end of the main body pipe; the top of the main body pipe is connected with one end of the first connecting rod; the other end of the first connecting rod is connected with the top of the clamping piece; a plurality of clamping grooves are uniformly formed in the inner wall of the top of the probe in the circumferential direction, and the clamping grooves are connected with the top of the supporting part; the bottom of the supporting part is connected with one side of the upper part of the clamping piece; one side of the top of the clamping piece is connected with one end of the second connecting rod, and the other end of the second connecting rod is connected with the bottom of the main body pipe; the bottom of the clamping piece is connected with one end of the third connecting rod, and the other end of the third connecting rod is connected with the middle part of the second connecting rod; the bottom end of the main body tube is provided with an induction part; a plurality of unidirectional guide vanes are uniformly arranged on the inner wall of the probe tube along the circumferential direction, one end of each unidirectional guide vane is connected with the inner wall of the probe tube, and the other end of each unidirectional guide vane is obliquely downwards arranged; the middle part of the water-retaining rubber sheet is connected with the bottom end of the main body pipe, and the edge of the water-retaining rubber sheet is connected with the top of the supporting part.
Optionally, a groove with a rectangular cross section is formed in the bottom of the protective cover, and the groove is matched with the top side wall of the probe tube.
Optionally, the sensing part is a pressure sensing valve, and the pressure sensing valve is used for detecting water pressure.
Optionally, the water-retaining rubber sheet is adhesively connected with the supporting part.
Optionally, the other end of the first connecting rod is hinged with the clamping piece through a first clamping part.
Optionally, the bottom of the supporting part is connected with the clamping part through a second clamping part.
Optionally, the third connecting rod is connected with the second connecting rod through a third clamping part.
Optionally, the sensing part is connected with the bottom end of the main body pipe through a fourth clamping part.
Compared with the prior art, the utility model has the following technical effects:
the water-retaining device of the exploratory tube in the underground upward hole subsection water injection observation eliminates the inflatable capsule at the upper part of the exploratory tube, simplifies the equipment structure, is more convenient to assemble and disassemble, reduces the cost, saves the resources and reduces the drainage pressure while ensuring the observation efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a water retention device of a probe in a down hole section water injection observation;
FIG. 2 is a schematic diagram of the structure of the inner wall of the exploratory tube in the down-hole section water injection observation.
Reference numerals illustrate: 1. a protective cover; 2. a support part; 3. a water-retaining rubber sheet; 4. a first connecting rod; 5. a first engagement portion; 6. a second engaging portion; 7. a first connection portion; 8. a second connecting rod; 9. a third connecting rod; 10. a third engagement portion; 11. a fourth engagement portion; 12. an induction unit;
21. a unidirectional guide vane; 22. a probe tube.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, the embodiment provides a water-retaining device of a probe tube in a down-hole elevation hole subsection water injection observation, which comprises a protective cover 1, a supporting part 2, a water-retaining rubber sheet 3, a first connecting rod 4, a clamping piece, a second connecting rod 8, a third connecting rod 9 and an induction part 12; the bottom of the protective cover 1 is provided with a groove with a rectangular cross section, the groove is matched with the side wall of the top of the probe tube 22, and the protective cover 1 is arranged on the top of the probe tube 22; the bottom of the protective cover 1 is connected with the top end of the main body pipe; the top of the main body pipe is connected with one end of a first connecting rod 4; the other end of the first connecting rod 4 is connected with the top of the clamping piece through a first clamping part 5 in a hinged connection manner; four clamping grooves are uniformly formed in the inner wall of the top of the probe tube 22 along the circumferential direction, and the four clamping grooves are connected with the top of the supporting part 2; the bottom of the supporting part 2 is connected with one side of the upper part of the clamping piece through a second clamping part 6; one side of the top of the clamping piece is connected with one end of a second connecting rod 8, and the other end of the second connecting rod 8 is connected with the bottom of the main body pipe; the bottom of the clamping piece is connected with one end of a third connecting rod 9 through a first connecting part 7, and the other end of the third connecting rod 9 is connected with the middle part of a second connecting rod 8 through a third clamping part 10; the bottom end of the main body tube is provided with an induction part 12; a plurality of unidirectional guide vanes 21 are uniformly arranged on the inner wall of the probe tube 22 along the circumferential direction, one ends of the unidirectional guide vanes 21 are connected with the inner wall of the probe tube 22, and the other ends of the unidirectional guide vanes 21 are obliquely downwards arranged; the middle part of the water-retaining rubber sheet 3 is connected with the bottom end of the main body pipe through a fourth clamping part 11, and the edge of the water-retaining rubber sheet 3 is connected with the top of the supporting part 2.
In this embodiment, the sensing portion 12 is a pressure sensing valve, and the pressure sensing valve is used for detecting the water pressure. The water-retaining rubber sheet 3 is connected with the supporting part 2 in an adhesive manner. The support part 2 comprises four telescopic steel frames, and can realize expansion and contraction.
The embodiment provides a novel water retaining device of exploratory tube in hole segmentation water injection observation in pit, its specific operation is as follows: when the probe 22 is not filled with water, the water retaining portion of the device is in a contracted state. When test water reaches the top of the probe tube 22 through the probe tube 22, if the water pressure reaches the opening value of the sensing part 12, the water pressure sensing valve is automatically opened under the pressure effect, after the sensing part 12 is opened, the first clamping part 5 and the second clamping part 6 are driven to move, the telescopic steel frame of the supporting part 2 is driven to be unfolded and contacted with the unidirectional guide vane 21 on the inner wall of the probe tube 22, the unidirectional guide vane 21 is unfolded to be the position shown in fig. 2 when being flushed with water, the supporting part 2 is clamped below the unidirectional guide vane 21, and the water-retaining rubber sheet 3 is supported, so that the top of the probe tube 22 is plugged. After the test is completed, the whole device is decompressed, when the water fades, the sensing part 12 is closed, and each clamping part, the connecting part and the water-retaining rubber sheet 3 are contracted. After the water leakage amount of one section is tested, the device can be directly disassembled by the protective cover 1, and is directly connected with the subsequent probe tube 22, so that the disassembly is convenient.
It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
The principles and embodiments of the present utility model have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present utility model and its core ideas; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (8)
1. The water retention device of the exploratory tube in the underground upward hole subsection water injection observation is characterized by comprising a protective cover, a supporting part, a water retention rubber sheet, a first connecting rod, a clamping piece, a second connecting rod, a third connecting rod and an induction part;
the protective cover is arranged at the top of the probe tube; the bottom of the protective cover is connected with the top end of the main body pipe;
the top of the main body pipe is connected with one end of the first connecting rod; the other end of the first connecting rod is connected with the top of the clamping piece;
a plurality of clamping grooves are uniformly formed in the inner wall of the top of the probe in the circumferential direction, and the clamping grooves are connected with the top of the supporting part; the bottom of the supporting part is connected with one side of the upper part of the clamping piece;
one side of the top of the clamping piece is connected with one end of the second connecting rod, and the other end of the second connecting rod is connected with the bottom of the main body pipe;
the bottom of the clamping piece is connected with one end of the third connecting rod, and the other end of the third connecting rod is connected with the middle part of the second connecting rod;
the bottom end of the main body tube is provided with an induction part;
a plurality of unidirectional guide vanes are uniformly arranged on the inner wall of the probe tube along the circumferential direction, one end of each unidirectional guide vane is connected with the inner wall of the probe tube, and the other end of each unidirectional guide vane is obliquely downwards arranged;
the middle part of the water-retaining rubber sheet is connected with the bottom end of the main body pipe, and the edge of the water-retaining rubber sheet is connected with the top of the supporting part.
2. The water retention device of the probe tube in the underground upward hole subsection water injection observation according to claim 1, wherein a groove with a rectangular cross section is formed in the bottom of the protective cover, and the groove is matched with the top side wall of the probe tube.
3. The water retention device of the probe in the down-hole elevation section water injection observation according to claim 1, wherein the sensing part is a pressure sensing valve, and the pressure sensing valve is used for detecting water pressure.
4. The water retention device of the down-hole elevation sectional water injection observation middle probe according to claim 1, wherein the water retention rubber sheet is adhesively connected with the supporting part.
5. The water-retaining device of the down-hole elevation sectional water injection observation middle probe according to claim 1, wherein the other end of the first connecting rod is hinged with the clamping piece through a first clamping part.
6. The water retention device of the down-hole overhead hole subsection water injection observation middle probe according to claim 1, wherein the bottom of the supporting part is connected with the clamping piece through a second clamping part.
7. The water retention device of the down-hole elevation sectional water injection observation middle probe according to claim 1, wherein the third connecting rod is connected with the second connecting rod through a third clamping part.
8. The water retention device of the down-hole elevation sectional water injection observation middle probe according to claim 1, wherein the sensing part is connected with the bottom end of the main body pipe through a fourth clamping part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321181323.6U CN220226851U (en) | 2023-05-15 | 2023-05-15 | Water-retaining device of exploratory tube in underground upward hole subsection water injection observation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321181323.6U CN220226851U (en) | 2023-05-15 | 2023-05-15 | Water-retaining device of exploratory tube in underground upward hole subsection water injection observation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220226851U true CN220226851U (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321181323.6U Active CN220226851U (en) | 2023-05-15 | 2023-05-15 | Water-retaining device of exploratory tube in underground upward hole subsection water injection observation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220226851U (en) |
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2023
- 2023-05-15 CN CN202321181323.6U patent/CN220226851U/en active Active
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